Static Electricity Experiment Worksheet

Science experiments lesson 21: Static electricity: comb and paper bits · Set 178 · 40 questions

What you do (Rub and charge): 1. Tear a sheet of paper into tiny bits on a table. 2. Comb dry, clean hair quickly 10 times. 3. Hold the comb just above the paper bits and watch. 4. Try again with 20 combs, and count the bits each time.

1. 1.🧺 Do we need a magnet for the static comb? (a) not needed (b) needed
2. 2.True or false: a plastic comb is needed for the static comb. (a) False (b) True
3. 3.🧺 Which of these is needed for the static comb? (a) a mirror (b) turmeric powder (c) dry hair (d) a magnet
4. 4.🛟 There is lightning outside. Where is it safest to be? (a) indoors (b) under a tall tree (c) in an open field (d) on a rooftop
5. 5.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is what we measure. (a) True (b) False
6. 6.True or false: tiny paper bits is not needed for the static comb. (a) False (b) True
7. 7.🧺 Which of these is needed for the static comb? (a) yeast (b) tiny paper bits (c) turmeric powder (d) a mirror
8. 8.🔮 Predict: you rub a balloon on dry hair and hold it on a wall. What happens? (a) it sticks for a while (b) it falls straight down (c) it bursts at once (d) it turns into water
9. 9.🔍 Which is the odd one out? (a) tiny paper bits (b) a steel spoon (c) a pebble (d) a heavy book
10. 10.⚡ Which of these jumps to a charged comb? (a) a steel spoon (b) a heavy book (c) tiny paper bits (d) a pebble
11. 11.🧺 Which of these is not needed for the static comb? (a) dry hair (b) a mirror (c) tiny paper bits (d) a balloon
12. 12.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) tiny paper bits (b) a plastic comb (c) dry hair (d) yeast
13. 13.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same hair is the one thing we change. (a) True (b) False
14. 14.True or false: dry hair does not move to a charged comb. (a) True (b) False
15. 15.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a balloon (b) a mirror (c) dry hair (d) a plastic comb
16. 16.🧺 Which of these is needed for the static comb? (a) a magnet (b) vinegar (c) a battery cell (d) a plastic comb
17. 17.True or false: a pebble does not move to a charged comb. (a) False (b) True
18. 18.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a magnet (b) a plastic comb (c) a balloon (d) tiny paper bits
19. 19.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “number of rubs”? (a) we keep it the same (b) we change it (c) we measure it
20. 20.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is what we measure? (a) paper bits picked up (b) number of rubs (c) the same comb (d) the same hair
21. 21.⚡ Which of these jumps to a charged comb? (a) a pebble (b) a steel spoon (c) thermocol bits (d) a brick
22. 22.🛟 Static from a comb is safe. Which electricity must children never play with? (a) plug points at home (b) a rubbed plastic comb (c) a rubbed balloon (d) paper bits on a comb
23. 23.True or false: a mirror is not needed for the static comb. (a) False (b) True
24. 24.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: number of rubs is kept the same. (a) False (b) True
25. 25.⚡ You comb dry hair and hold the comb near tiny paper bits. What happens? (a) nothing happens (b) the bits jump to it (c) they turn wet (d) they turn blue
26. 26.⚡ A rubbed comb is held near a heavy book. What happens? (a) jumps to the comb (b) does not move
27. 27.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: distance to the paper is kept the same. (a) True (b) False
28. 28.⚡ A rubbed comb is held near dry hair. What happens? (a) does not move (b) jumps to the comb
29. 29.🧺 Three of these are needed for the static comb. Which one is NOT needed? (a) a plastic comb (b) tiny paper bits (c) dry hair (d) vinegar
30. 30.🔍 Which is the odd one out? (a) thermocol bits (b) tiny paper bits (c) a steel spoon (d) puffed rice
31. 31.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? True or false: the same comb is kept the same. (a) False (b) True
32. 32.True or false: a brick does not move to a charged comb. (a) False (b) True
33. 33.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) tiny paper bits (c) a balloon (d) turmeric powder
34. 34.⚡ A rubbed comb is held near puffed rice. What happens? (a) jumps to the comb (b) does not move
35. 35.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “paper bits picked up”? (a) we keep it the same (b) we measure it (c) we change it
36. 36.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? What do we do with “the same comb”? (a) we change it (b) we measure it (c) we keep it the same
37. 37.🧺 Which of these is not needed for the static comb? (a) a plastic comb (b) dry hair (c) a balloon (d) yeast
38. 38.🔍 Which is the odd one out? (a) a brick (b) a thin water stream (c) a steel spoon (d) a pebble
39. 39.True or false: a plastic comb is not needed for the static comb. (a) False (b) True
40. 40.⚖️ Fair test — does rubbing the comb more times pick up more paper bits? Which of these is kept the same? (a) number of rubs (b) distance to the paper (c) paper bits picked up

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